]>
Commit | Line | Data |
---|---|---|
06a3e78a DJ |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@gmail.com> | |
e131be0a | 5 | * Copyright (C) 2018 Guido Trentalancia <guido@trentalancia.com> |
06a3e78a DJ |
6 | * |
7 | * This program is free software: you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation, either version 3 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
6ec6c43b | 21 | #include <config.h> |
650847e7 UH |
22 | #include <math.h> |
23 | #include <stdlib.h> | |
5a1afc09 | 24 | #include "scpi.h" |
06a3e78a DJ |
25 | #include "protocol.h" |
26 | ||
e06875b2 GS |
27 | SR_PRIV void hmo_queue_logic_data(struct dev_context *devc, |
28 | size_t group, GByteArray *pod_data); | |
29 | SR_PRIV void hmo_send_logic_packet(struct sr_dev_inst *sdi, | |
30 | struct dev_context *devc); | |
31 | SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc); | |
32 | ||
13f2b9d7 | 33 | static const char *hameg_scpi_dialect[] = { |
e131be0a GT |
34 | [SCPI_CMD_GET_DIG_DATA] = ":FORM UINT,8;:POD%d:DATA?", |
35 | [SCPI_CMD_GET_TIMEBASE] = ":TIM:SCAL?", | |
36 | [SCPI_CMD_SET_TIMEBASE] = ":TIM:SCAL %s", | |
37 | [SCPI_CMD_GET_COUPLING] = ":CHAN%d:COUP?", | |
38 | [SCPI_CMD_SET_COUPLING] = ":CHAN%d:COUP %s", | |
39 | [SCPI_CMD_GET_SAMPLE_RATE] = ":ACQ:SRAT?", | |
40 | [SCPI_CMD_GET_SAMPLE_RATE_LIVE] = ":%s:DATA:POINTS?", | |
41 | [SCPI_CMD_GET_ANALOG_DATA] = ":FORM:BORD %s;" \ | |
42 | ":FORM REAL,32;:CHAN%d:DATA?", | |
43 | [SCPI_CMD_GET_VERTICAL_DIV] = ":CHAN%d:SCAL?", | |
44 | [SCPI_CMD_SET_VERTICAL_DIV] = ":CHAN%d:SCAL %s", | |
45 | [SCPI_CMD_GET_DIG_POD_STATE] = ":POD%d:STAT?", | |
46 | [SCPI_CMD_SET_DIG_POD_STATE] = ":POD%d:STAT %d", | |
47 | [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?", | |
c8ecfa6e | 48 | [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:TYPE EDGE;:TRIG:A:EDGE:SLOP %s", |
4fa4db2c GT |
49 | [SCPI_CMD_GET_TRIGGER_PATTERN] = ":TRIG:A:PATT:SOUR?", |
50 | [SCPI_CMD_SET_TRIGGER_PATTERN] = ":TRIG:A:TYPE LOGIC;" \ | |
51 | ":TRIG:A:PATT:FUNC AND;" \ | |
52 | ":TRIG:A:PATT:COND TRUE;" \ | |
53 | ":TRIG:A:PATT:MODE OFF;" \ | |
54 | ":TRIG:A:PATT:SOUR \"%s\"", | |
e131be0a GT |
55 | [SCPI_CMD_GET_TRIGGER_SOURCE] = ":TRIG:A:SOUR?", |
56 | [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s", | |
57 | [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?", | |
58 | [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d", | |
59 | [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?", | |
60 | [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?", | |
61 | [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %s", | |
62 | [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?", | |
63 | [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d", | |
64 | [SCPI_CMD_GET_PROBE_UNIT] = ":PROB%d:SET:ATT:UNIT?", | |
65 | [SCPI_CMD_GET_DIG_POD_THRESHOLD] = ":POD%d:THR?", | |
66 | [SCPI_CMD_SET_DIG_POD_THRESHOLD] = ":POD%d:THR %s", | |
67 | [SCPI_CMD_GET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d?", | |
68 | [SCPI_CMD_SET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d %s", | |
13f2b9d7 DJ |
69 | }; |
70 | ||
4b25cbff | 71 | static const uint32_t devopts[] = { |
13f2b9d7 | 72 | SR_CONF_OSCILLOSCOPE, |
830e24b6 GT |
73 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, |
74 | SR_CONF_LIMIT_FRAMES | SR_CONF_SET, | |
86621306 | 75 | SR_CONF_SAMPLERATE | SR_CONF_GET, |
5827f61b | 76 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
bf622e6d | 77 | SR_CONF_NUM_HDIV | SR_CONF_GET, |
5827f61b | 78 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET, |
86621306 UH |
79 | SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
80 | SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
4fa4db2c | 81 | SR_CONF_TRIGGER_PATTERN | SR_CONF_GET | SR_CONF_SET, |
13f2b9d7 DJ |
82 | }; |
83 | ||
6b82c3e5 | 84 | static const uint32_t devopts_cg_analog[] = { |
5827f61b | 85 | SR_CONF_NUM_VDIV | SR_CONF_GET, |
5827f61b | 86 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
86621306 | 87 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
13f2b9d7 DJ |
88 | }; |
89 | ||
e131be0a GT |
90 | static const uint32_t devopts_cg_digital[] = { |
91 | SR_CONF_LOGIC_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
92 | SR_CONF_LOGIC_THRESHOLD_CUSTOM | SR_CONF_GET | SR_CONF_SET, | |
93 | }; | |
94 | ||
4b25cbff | 95 | static const char *coupling_options[] = { |
b05ab7d2 SB |
96 | "AC", // AC with 50 Ohm termination (152x, 202x, 30xx, 1202) |
97 | "ACL", // AC with 1 MOhm termination | |
98 | "DC", // DC with 50 Ohm termination | |
99 | "DCL", // DC with 1 MOhm termination | |
13f2b9d7 | 100 | "GND", |
13f2b9d7 DJ |
101 | }; |
102 | ||
103 | static const char *scope_trigger_slopes[] = { | |
104 | "POS", | |
105 | "NEG", | |
356f64f8 | 106 | "EITH", |
13f2b9d7 DJ |
107 | }; |
108 | ||
e131be0a GT |
109 | /* Predefined logic thresholds. */ |
110 | static const char *logic_threshold[] = { | |
111 | "TTL", | |
112 | "ECL", | |
113 | "CMOS", | |
114 | "USER1", | |
115 | "USER2", // overwritten by logic_threshold_custom, use USER1 for permanent setting | |
116 | }; | |
117 | ||
4cf90b86 | 118 | /* RTC1002, HMO Compact2 and HMO1002/HMO1202 */ |
6d0f3508 | 119 | static const char *an2_dig8_trigger_sources[] = { |
f8195cb2 UH |
120 | "CH1", "CH2", |
121 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
122 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
13f2b9d7 DJ |
123 | }; |
124 | ||
4cf90b86 | 125 | /* HMO3xx2 */ |
6d0f3508 GT |
126 | static const char *an2_dig16_trigger_sources[] = { |
127 | "CH1", "CH2", | |
128 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
129 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
130 | "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15", | |
131 | }; | |
132 | ||
4cf90b86 | 133 | /* HMO Compact4 */ |
6d0f3508 | 134 | static const char *an4_dig8_trigger_sources[] = { |
f8195cb2 UH |
135 | "CH1", "CH2", "CH3", "CH4", |
136 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
137 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
13f2b9d7 DJ |
138 | }; |
139 | ||
4cf90b86 | 140 | /* HMO3xx4 and HMO2524 */ |
6d0f3508 | 141 | static const char *an4_dig16_trigger_sources[] = { |
f8195cb2 UH |
142 | "CH1", "CH2", "CH3", "CH4", |
143 | "LINE", "EXT", "PATT", "BUS1", "BUS2", | |
144 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
145 | "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15", | |
74413faf GS |
146 | }; |
147 | ||
4b25cbff | 148 | static const uint64_t timebases[][2] = { |
13f2b9d7 DJ |
149 | /* nanoseconds */ |
150 | { 2, 1000000000 }, | |
151 | { 5, 1000000000 }, | |
152 | { 10, 1000000000 }, | |
153 | { 20, 1000000000 }, | |
154 | { 50, 1000000000 }, | |
155 | { 100, 1000000000 }, | |
156 | { 200, 1000000000 }, | |
157 | { 500, 1000000000 }, | |
158 | /* microseconds */ | |
159 | { 1, 1000000 }, | |
160 | { 2, 1000000 }, | |
161 | { 5, 1000000 }, | |
162 | { 10, 1000000 }, | |
163 | { 20, 1000000 }, | |
164 | { 50, 1000000 }, | |
165 | { 100, 1000000 }, | |
166 | { 200, 1000000 }, | |
167 | { 500, 1000000 }, | |
168 | /* milliseconds */ | |
169 | { 1, 1000 }, | |
170 | { 2, 1000 }, | |
171 | { 5, 1000 }, | |
172 | { 10, 1000 }, | |
173 | { 20, 1000 }, | |
174 | { 50, 1000 }, | |
175 | { 100, 1000 }, | |
176 | { 200, 1000 }, | |
177 | { 500, 1000 }, | |
178 | /* seconds */ | |
179 | { 1, 1 }, | |
180 | { 2, 1 }, | |
181 | { 5, 1 }, | |
182 | { 10, 1 }, | |
183 | { 20, 1 }, | |
184 | { 50, 1 }, | |
185 | }; | |
186 | ||
4b25cbff | 187 | static const uint64_t vdivs[][2] = { |
13f2b9d7 DJ |
188 | /* millivolts */ |
189 | { 1, 1000 }, | |
190 | { 2, 1000 }, | |
191 | { 5, 1000 }, | |
192 | { 10, 1000 }, | |
193 | { 20, 1000 }, | |
194 | { 50, 1000 }, | |
195 | { 100, 1000 }, | |
196 | { 200, 1000 }, | |
197 | { 500, 1000 }, | |
198 | /* volts */ | |
199 | { 1, 1 }, | |
200 | { 2, 1 }, | |
201 | { 5, 1 }, | |
202 | { 10, 1 }, | |
fe227d17 SA |
203 | { 20, 1 }, |
204 | { 50, 1 }, | |
13f2b9d7 DJ |
205 | }; |
206 | ||
ba7dd8bb | 207 | static const char *scope_analog_channel_names[] = { |
f8195cb2 | 208 | "CH1", "CH2", "CH3", "CH4", |
13f2b9d7 DJ |
209 | }; |
210 | ||
ba7dd8bb | 211 | static const char *scope_digital_channel_names[] = { |
f8195cb2 UH |
212 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", |
213 | "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15", | |
13f2b9d7 DJ |
214 | }; |
215 | ||
329733d9 | 216 | static const struct scope_config scope_models[] = { |
13f2b9d7 | 217 | { |
4cf90b86 GT |
218 | /* RTC1002 and HMO722/1002/1022/1202/1522/2022 support only 8 digital channels. */ |
219 | .name = {"RTC1002", "HMO722", "HMO1002", "HMO1022", "HMO1202", "HMO1522", "HMO2022", NULL}, | |
13f2b9d7 DJ |
220 | .analog_channels = 2, |
221 | .digital_channels = 8, | |
222 | .digital_pods = 1, | |
223 | ||
ba7dd8bb UH |
224 | .analog_names = &scope_analog_channel_names, |
225 | .digital_names = &scope_digital_channel_names, | |
13f2b9d7 | 226 | |
4b25cbff UH |
227 | .devopts = &devopts, |
228 | .num_devopts = ARRAY_SIZE(devopts), | |
13f2b9d7 | 229 | |
6b82c3e5 UH |
230 | .devopts_cg_analog = &devopts_cg_analog, |
231 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
13f2b9d7 | 232 | |
e131be0a GT |
233 | .devopts_cg_digital = &devopts_cg_digital, |
234 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
235 | ||
4b25cbff | 236 | .coupling_options = &coupling_options, |
692716f5 UH |
237 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
238 | ||
e131be0a GT |
239 | .logic_threshold = &logic_threshold, |
240 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
241 | ||
6d0f3508 GT |
242 | .trigger_sources = &an2_dig8_trigger_sources, |
243 | .num_trigger_sources = ARRAY_SIZE(an2_dig8_trigger_sources), | |
244 | ||
245 | .trigger_slopes = &scope_trigger_slopes, | |
246 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), | |
247 | ||
248 | .timebases = &timebases, | |
249 | .num_timebases = ARRAY_SIZE(timebases), | |
250 | ||
251 | .vdivs = &vdivs, | |
252 | .num_vdivs = ARRAY_SIZE(vdivs), | |
253 | ||
254 | .num_xdivs = 12, | |
255 | .num_ydivs = 8, | |
256 | ||
257 | .scpi_dialect = &hameg_scpi_dialect, | |
258 | }, | |
259 | { | |
260 | /* HMO3032/3042/3052/3522 support 16 digital channels. */ | |
261 | .name = {"HMO3032", "HMO3042", "HMO3052", "HMO3522", NULL}, | |
262 | .analog_channels = 2, | |
263 | .digital_channels = 16, | |
264 | .digital_pods = 2, | |
265 | ||
266 | .analog_names = &scope_analog_channel_names, | |
267 | .digital_names = &scope_digital_channel_names, | |
268 | ||
269 | .devopts = &devopts, | |
270 | .num_devopts = ARRAY_SIZE(devopts), | |
271 | ||
272 | .devopts_cg_analog = &devopts_cg_analog, | |
273 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
274 | ||
e131be0a GT |
275 | .devopts_cg_digital = &devopts_cg_digital, |
276 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
277 | ||
6d0f3508 GT |
278 | .coupling_options = &coupling_options, |
279 | .num_coupling_options = ARRAY_SIZE(coupling_options), | |
280 | ||
e131be0a GT |
281 | .logic_threshold = &logic_threshold, |
282 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
283 | ||
6d0f3508 GT |
284 | .trigger_sources = &an2_dig16_trigger_sources, |
285 | .num_trigger_sources = ARRAY_SIZE(an2_dig16_trigger_sources), | |
692716f5 | 286 | |
13f2b9d7 | 287 | .trigger_slopes = &scope_trigger_slopes, |
692716f5 | 288 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), |
13f2b9d7 | 289 | |
4b25cbff UH |
290 | .timebases = &timebases, |
291 | .num_timebases = ARRAY_SIZE(timebases), | |
13f2b9d7 | 292 | |
4b25cbff UH |
293 | .vdivs = &vdivs, |
294 | .num_vdivs = ARRAY_SIZE(vdivs), | |
13f2b9d7 DJ |
295 | |
296 | .num_xdivs = 12, | |
297 | .num_ydivs = 8, | |
298 | ||
299 | .scpi_dialect = &hameg_scpi_dialect, | |
300 | }, | |
301 | { | |
74413faf | 302 | .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL}, |
13f2b9d7 DJ |
303 | .analog_channels = 4, |
304 | .digital_channels = 8, | |
305 | .digital_pods = 1, | |
306 | ||
ba7dd8bb UH |
307 | .analog_names = &scope_analog_channel_names, |
308 | .digital_names = &scope_digital_channel_names, | |
13f2b9d7 | 309 | |
4b25cbff UH |
310 | .devopts = &devopts, |
311 | .num_devopts = ARRAY_SIZE(devopts), | |
13f2b9d7 | 312 | |
6b82c3e5 UH |
313 | .devopts_cg_analog = &devopts_cg_analog, |
314 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
13f2b9d7 | 315 | |
e131be0a GT |
316 | .devopts_cg_digital = &devopts_cg_digital, |
317 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
318 | ||
4b25cbff | 319 | .coupling_options = &coupling_options, |
692716f5 UH |
320 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
321 | ||
e131be0a GT |
322 | .logic_threshold = &logic_threshold, |
323 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
324 | ||
6d0f3508 GT |
325 | .trigger_sources = &an4_dig8_trigger_sources, |
326 | .num_trigger_sources = ARRAY_SIZE(an4_dig8_trigger_sources), | |
692716f5 | 327 | |
13f2b9d7 | 328 | .trigger_slopes = &scope_trigger_slopes, |
692716f5 | 329 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), |
13f2b9d7 | 330 | |
4b25cbff UH |
331 | .timebases = &timebases, |
332 | .num_timebases = ARRAY_SIZE(timebases), | |
13f2b9d7 | 333 | |
4b25cbff UH |
334 | .vdivs = &vdivs, |
335 | .num_vdivs = ARRAY_SIZE(vdivs), | |
13f2b9d7 DJ |
336 | |
337 | .num_xdivs = 12, | |
338 | .num_ydivs = 8, | |
339 | ||
74413faf GS |
340 | .scpi_dialect = &hameg_scpi_dialect, |
341 | }, | |
342 | { | |
bf8a02b6 | 343 | .name = {"HMO2524", "HMO3034", "HMO3044", "HMO3054", "HMO3524", NULL}, |
74413faf GS |
344 | .analog_channels = 4, |
345 | .digital_channels = 16, | |
346 | .digital_pods = 2, | |
347 | ||
348 | .analog_names = &scope_analog_channel_names, | |
349 | .digital_names = &scope_digital_channel_names, | |
350 | ||
4b25cbff UH |
351 | .devopts = &devopts, |
352 | .num_devopts = ARRAY_SIZE(devopts), | |
74413faf | 353 | |
6b82c3e5 UH |
354 | .devopts_cg_analog = &devopts_cg_analog, |
355 | .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog), | |
74413faf | 356 | |
e131be0a GT |
357 | .devopts_cg_digital = &devopts_cg_digital, |
358 | .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital), | |
359 | ||
4b25cbff | 360 | .coupling_options = &coupling_options, |
692716f5 UH |
361 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
362 | ||
e131be0a GT |
363 | .logic_threshold = &logic_threshold, |
364 | .num_logic_threshold = ARRAY_SIZE(logic_threshold), | |
365 | ||
6d0f3508 GT |
366 | .trigger_sources = &an4_dig16_trigger_sources, |
367 | .num_trigger_sources = ARRAY_SIZE(an4_dig16_trigger_sources), | |
692716f5 | 368 | |
74413faf | 369 | .trigger_slopes = &scope_trigger_slopes, |
692716f5 | 370 | .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes), |
74413faf | 371 | |
4b25cbff UH |
372 | .timebases = &timebases, |
373 | .num_timebases = ARRAY_SIZE(timebases), | |
74413faf | 374 | |
4b25cbff UH |
375 | .vdivs = &vdivs, |
376 | .num_vdivs = ARRAY_SIZE(vdivs), | |
74413faf GS |
377 | |
378 | .num_xdivs = 12, | |
379 | .num_ydivs = 8, | |
380 | ||
13f2b9d7 DJ |
381 | .scpi_dialect = &hameg_scpi_dialect, |
382 | }, | |
383 | }; | |
384 | ||
329733d9 | 385 | static void scope_state_dump(const struct scope_config *config, |
13f2b9d7 DJ |
386 | struct scope_state *state) |
387 | { | |
388 | unsigned int i; | |
8de2dc3b | 389 | char *tmp; |
13f2b9d7 | 390 | |
0a1f7b09 | 391 | for (i = 0; i < config->analog_channels; i++) { |
8de2dc3b DJ |
392 | tmp = sr_voltage_string((*config->vdivs)[state->analog_channels[i].vdiv][0], |
393 | (*config->vdivs)[state->analog_channels[i].vdiv][1]); | |
d9251a2c | 394 | sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)", |
8de2dc3b | 395 | i + 1, state->analog_channels[i].state ? "On" : "Off", |
13f2b9d7 | 396 | (*config->coupling_options)[state->analog_channels[i].coupling], |
8de2dc3b | 397 | tmp, state->analog_channels[i].vertical_offset); |
13f2b9d7 DJ |
398 | } |
399 | ||
0a1f7b09 | 400 | for (i = 0; i < config->digital_channels; i++) { |
13f2b9d7 DJ |
401 | sr_info("State of digital channel %d -> %s", i, |
402 | state->digital_channels[i] ? "On" : "Off"); | |
403 | } | |
404 | ||
0a1f7b09 | 405 | for (i = 0; i < config->digital_pods; i++) { |
e131be0a | 406 | if (strncmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold], 4)) |
262061ff | 407 | sr_info("State of digital POD %d -> %s : %s (threshold)", i + 1, |
e131be0a GT |
408 | state->digital_pods[i].state ? "On" : "Off", |
409 | (*config->logic_threshold)[state->digital_pods[i].threshold]); | |
410 | else // user-defined or custom logic threshold | |
262061ff | 411 | sr_info("State of digital POD %d -> %s : %E (threshold)", i + 1, |
e131be0a GT |
412 | state->digital_pods[i].state ? "On" : "Off", |
413 | state->digital_pods[i].user_threshold); | |
13f2b9d7 DJ |
414 | } |
415 | ||
6984cfb2 SA |
416 | tmp = sr_period_string((*config->timebases)[state->timebase][0], |
417 | (*config->timebases)[state->timebase][1]); | |
8de2dc3b DJ |
418 | sr_info("Current timebase: %s", tmp); |
419 | g_free(tmp); | |
420 | ||
14a2f74d DJ |
421 | tmp = sr_samplerate_string(state->sample_rate); |
422 | sr_info("Current samplerate: %s", tmp); | |
423 | g_free(tmp); | |
424 | ||
4fa4db2c GT |
425 | if (!strcmp("PATT", (*config->trigger_sources)[state->trigger_source])) |
426 | sr_info("Current trigger: %s (pattern), %.2f (offset)", | |
427 | state->trigger_pattern, | |
428 | state->horiz_triggerpos); | |
429 | else // Edge (slope) trigger | |
430 | sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)", | |
431 | (*config->trigger_sources)[state->trigger_source], | |
432 | (*config->trigger_slopes)[state->trigger_slope], | |
433 | state->horiz_triggerpos); | |
13f2b9d7 DJ |
434 | } |
435 | ||
23f43dff | 436 | static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi, |
692716f5 | 437 | const char *command, const char *(*array)[], unsigned int n, int *result) |
13f2b9d7 DJ |
438 | { |
439 | char *tmp; | |
bd633efa | 440 | int idx; |
13f2b9d7 | 441 | |
67398969 | 442 | if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK) |
13f2b9d7 | 443 | return SR_ERR; |
13f2b9d7 | 444 | |
bd633efa | 445 | if ((idx = std_str_idx_s(tmp, *array, n)) < 0) { |
13f2b9d7 | 446 | g_free(tmp); |
bd633efa | 447 | return SR_ERR_ARG; |
13f2b9d7 DJ |
448 | } |
449 | ||
bd633efa UH |
450 | *result = idx; |
451 | ||
452 | g_free(tmp); | |
453 | ||
13f2b9d7 DJ |
454 | return SR_OK; |
455 | } | |
456 | ||
8fff7519 | 457 | /** |
a53acd7d SB |
458 | * This function takes a value of the form "2.000E-03" and returns the index |
459 | * of an array where a matching pair was found. | |
8fff7519 SA |
460 | * |
461 | * @param value The string to be parsed. | |
462 | * @param array The array of s/f pairs. | |
463 | * @param array_len The number of pairs in the array. | |
464 | * @param result The index at which a matching pair was found. | |
465 | * | |
466 | * @return SR_ERR on any parsing error, SR_OK otherwise. | |
467 | */ | |
468 | static int array_float_get(gchar *value, const uint64_t array[][2], | |
650847e7 | 469 | int array_len, unsigned int *result) |
8fff7519 | 470 | { |
a53acd7d SB |
471 | struct sr_rational rval; |
472 | struct sr_rational aval; | |
8cccbac8 | 473 | |
a53acd7d | 474 | if (sr_parse_rational(value, &rval) != SR_OK) |
8fff7519 SA |
475 | return SR_ERR; |
476 | ||
a53acd7d SB |
477 | for (int i = 0; i < array_len; i++) { |
478 | sr_rational_set(&aval, array[i][0], array[i][1]); | |
479 | if (sr_rational_eq(&rval, &aval)) { | |
8fff7519 SA |
480 | *result = i; |
481 | return SR_OK; | |
482 | } | |
483 | } | |
484 | ||
485 | return SR_ERR; | |
486 | } | |
487 | ||
bd70ec4b SB |
488 | static struct sr_channel *get_channel_by_index_and_type(GSList *channel_lhead, |
489 | int index, int type) | |
490 | { | |
491 | while (channel_lhead) { | |
492 | struct sr_channel *ch = channel_lhead->data; | |
493 | if (ch->index == index && ch->type == type) | |
494 | return ch; | |
495 | ||
496 | channel_lhead = channel_lhead->next; | |
497 | } | |
498 | ||
499 | return 0; | |
500 | } | |
501 | ||
502 | static int analog_channel_state_get(struct sr_dev_inst *sdi, | |
329733d9 | 503 | const struct scope_config *config, |
13f2b9d7 DJ |
504 | struct scope_state *state) |
505 | { | |
8de2dc3b | 506 | unsigned int i, j; |
13f2b9d7 | 507 | char command[MAX_COMMAND_SIZE]; |
8fff7519 | 508 | char *tmp_str; |
bd70ec4b SB |
509 | struct sr_channel *ch; |
510 | struct sr_scpi_dev_inst *scpi = sdi->conn; | |
13f2b9d7 | 511 | |
0a1f7b09 | 512 | for (i = 0; i < config->analog_channels; i++) { |
13f2b9d7 DJ |
513 | g_snprintf(command, sizeof(command), |
514 | (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE], | |
515 | i + 1); | |
516 | ||
23f43dff | 517 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
518 | &state->analog_channels[i].state) != SR_OK) |
519 | return SR_ERR; | |
520 | ||
bd70ec4b SB |
521 | ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_ANALOG); |
522 | if (ch) | |
523 | ch->enabled = state->analog_channels[i].state; | |
524 | ||
13f2b9d7 DJ |
525 | g_snprintf(command, sizeof(command), |
526 | (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_DIV], | |
527 | i + 1); | |
528 | ||
8fff7519 | 529 | if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK) |
8de2dc3b | 530 | return SR_ERR; |
8fff7519 | 531 | |
53012da6 | 532 | if (array_float_get(tmp_str, ARRAY_AND_SIZE(vdivs), &j) != SR_OK) { |
8fff7519 | 533 | g_free(tmp_str); |
b4e31d2a | 534 | sr_err("Could not determine array index for vertical div scale."); |
13f2b9d7 | 535 | return SR_ERR; |
b4e31d2a | 536 | } |
13f2b9d7 | 537 | |
8fff7519 SA |
538 | g_free(tmp_str); |
539 | state->analog_channels[i].vdiv = j; | |
540 | ||
13f2b9d7 DJ |
541 | g_snprintf(command, sizeof(command), |
542 | (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET], | |
543 | i + 1); | |
544 | ||
23f43dff | 545 | if (sr_scpi_get_float(scpi, command, |
13f2b9d7 DJ |
546 | &state->analog_channels[i].vertical_offset) != SR_OK) |
547 | return SR_ERR; | |
548 | ||
549 | g_snprintf(command, sizeof(command), | |
550 | (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING], | |
551 | i + 1); | |
552 | ||
23f43dff | 553 | if (scope_state_get_array_option(scpi, command, config->coupling_options, |
692716f5 | 554 | config->num_coupling_options, |
13f2b9d7 DJ |
555 | &state->analog_channels[i].coupling) != SR_OK) |
556 | return SR_ERR; | |
448e81b1 SB |
557 | |
558 | g_snprintf(command, sizeof(command), | |
559 | (*config->scpi_dialect)[SCPI_CMD_GET_PROBE_UNIT], | |
560 | i + 1); | |
561 | ||
562 | if (sr_scpi_get_string(scpi, command, &tmp_str) != SR_OK) | |
563 | return SR_ERR; | |
564 | ||
565 | if (tmp_str[0] == 'A') | |
566 | state->analog_channels[i].probe_unit = 'A'; | |
567 | else | |
568 | state->analog_channels[i].probe_unit = 'V'; | |
569 | g_free(tmp_str); | |
13f2b9d7 DJ |
570 | } |
571 | ||
572 | return SR_OK; | |
573 | } | |
574 | ||
bd70ec4b | 575 | static int digital_channel_state_get(struct sr_dev_inst *sdi, |
329733d9 | 576 | const struct scope_config *config, |
13f2b9d7 DJ |
577 | struct scope_state *state) |
578 | { | |
579 | unsigned int i; | |
e131be0a GT |
580 | int result = SR_ERR; |
581 | static char *logic_threshold_short[] = {}; | |
13f2b9d7 | 582 | char command[MAX_COMMAND_SIZE]; |
bd70ec4b SB |
583 | struct sr_channel *ch; |
584 | struct sr_scpi_dev_inst *scpi = sdi->conn; | |
13f2b9d7 | 585 | |
0a1f7b09 | 586 | for (i = 0; i < config->digital_channels; i++) { |
13f2b9d7 DJ |
587 | g_snprintf(command, sizeof(command), |
588 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE], | |
589 | i); | |
590 | ||
23f43dff | 591 | if (sr_scpi_get_bool(scpi, command, |
13f2b9d7 DJ |
592 | &state->digital_channels[i]) != SR_OK) |
593 | return SR_ERR; | |
bd70ec4b SB |
594 | |
595 | ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_LOGIC); | |
596 | if (ch) | |
597 | ch->enabled = state->digital_channels[i]; | |
13f2b9d7 DJ |
598 | } |
599 | ||
e131be0a GT |
600 | /* According to the SCPI standard, the response to the command |
601 | * SCPI_CMD_GET_DIG_POD_THRESHOLD might return "USER" instead of | |
602 | * "USER1". | |
603 | * | |
604 | * This makes more difficult to validate the response when the logic | |
605 | * threshold is set to "USER1" and therefore we need to prevent device | |
606 | * opening failures in such configuration case... | |
607 | */ | |
608 | for (i = 0; i < config->num_logic_threshold; i++) { | |
609 | logic_threshold_short[i] = g_strdup((*config->logic_threshold)[i]); | |
610 | if (!strcmp("USER1", (*config->logic_threshold)[i])) | |
611 | g_strlcpy(logic_threshold_short[i], | |
612 | (*config->logic_threshold)[i], strlen((*config->logic_threshold)[i])); | |
613 | } | |
614 | ||
0a1f7b09 | 615 | for (i = 0; i < config->digital_pods; i++) { |
13f2b9d7 DJ |
616 | g_snprintf(command, sizeof(command), |
617 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE], | |
618 | i + 1); | |
619 | ||
23f43dff | 620 | if (sr_scpi_get_bool(scpi, command, |
e131be0a GT |
621 | &state->digital_pods[i].state) != SR_OK) |
622 | goto exit; | |
623 | ||
624 | g_snprintf(command, sizeof(command), | |
625 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_THRESHOLD], | |
626 | i + 1); | |
627 | ||
628 | /* Check for both standard and shortened responses. */ | |
629 | if (scope_state_get_array_option(scpi, command, config->logic_threshold, | |
630 | config->num_logic_threshold, | |
631 | &state->digital_pods[i].threshold) != SR_OK) | |
632 | if (scope_state_get_array_option(scpi, command, (const char * (*)[]) &logic_threshold_short, | |
633 | config->num_logic_threshold, | |
634 | &state->digital_pods[i].threshold) != SR_OK) | |
635 | goto exit; | |
636 | ||
637 | if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold])) | |
638 | g_snprintf(command, sizeof(command), | |
639 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD], | |
640 | i + 1, 1); // USER1 logic threshold setting | |
641 | ||
642 | if (!strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold])) | |
643 | g_snprintf(command, sizeof(command), | |
644 | (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD], | |
645 | i + 1, 2); // USER2 for custom logic_threshold setting | |
646 | ||
647 | if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]) || | |
648 | !strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold])) | |
649 | if (sr_scpi_get_float(scpi, command, | |
650 | &state->digital_pods[i].user_threshold) != SR_OK) | |
651 | goto exit; | |
13f2b9d7 DJ |
652 | } |
653 | ||
e131be0a GT |
654 | result = SR_OK; |
655 | ||
656 | exit: | |
657 | for (i = 0; i < config->num_logic_threshold; i++) | |
658 | g_free(logic_threshold_short[i]); | |
659 | ||
660 | return result; | |
13f2b9d7 DJ |
661 | } |
662 | ||
14a2f74d DJ |
663 | SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi) |
664 | { | |
665 | struct dev_context *devc; | |
666 | struct scope_state *state; | |
329733d9 | 667 | const struct scope_config *config; |
14a2f74d DJ |
668 | int tmp; |
669 | unsigned int i; | |
670 | float tmp_float; | |
671 | gboolean channel_found; | |
672 | char tmp_str[MAX_COMMAND_SIZE]; | |
673 | char chan_name[20]; | |
674 | ||
675 | devc = sdi->priv; | |
676 | config = devc->model_config; | |
677 | state = devc->model_state; | |
678 | channel_found = FALSE; | |
679 | ||
0a1f7b09 | 680 | for (i = 0; i < config->analog_channels; i++) { |
3782e571 UH |
681 | if (!state->analog_channels[i].state) |
682 | continue; | |
683 | g_snprintf(chan_name, sizeof(chan_name), "CHAN%d", i + 1); | |
684 | g_snprintf(tmp_str, sizeof(tmp_str), | |
685 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE], | |
686 | chan_name); | |
687 | channel_found = TRUE; | |
688 | break; | |
689 | } | |
690 | ||
691 | if (!channel_found) { | |
692 | for (i = 0; i < config->digital_pods; i++) { | |
e131be0a | 693 | if (!state->digital_pods[i].state) |
3782e571 UH |
694 | continue; |
695 | g_snprintf(chan_name, sizeof(chan_name), "POD%d", i); | |
14a2f74d DJ |
696 | g_snprintf(tmp_str, sizeof(tmp_str), |
697 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE], | |
698 | chan_name); | |
699 | channel_found = TRUE; | |
700 | break; | |
701 | } | |
702 | } | |
703 | ||
14a2f74d DJ |
704 | /* No channel is active, ask the instrument for the sample rate |
705 | * in single shot mode */ | |
706 | if (!channel_found) { | |
c06c24d2 DJ |
707 | if (sr_scpi_get_float(sdi->conn, |
708 | (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE], | |
709 | &tmp_float) != SR_OK) | |
14a2f74d | 710 | return SR_ERR; |
c06c24d2 | 711 | |
14a2f74d DJ |
712 | state->sample_rate = tmp_float; |
713 | } else { | |
714 | if (sr_scpi_get_int(sdi->conn, tmp_str, &tmp) != SR_OK) | |
715 | return SR_ERR; | |
716 | state->sample_rate = tmp / (((float) (*config->timebases)[state->timebase][0] / | |
717 | (*config->timebases)[state->timebase][1]) * | |
718 | config->num_xdivs); | |
719 | } | |
720 | ||
721 | return SR_OK; | |
722 | } | |
723 | ||
719eff68 | 724 | SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
725 | { |
726 | struct dev_context *devc; | |
727 | struct scope_state *state; | |
329733d9 | 728 | const struct scope_config *config; |
8de2dc3b DJ |
729 | float tmp_float; |
730 | unsigned int i; | |
8cccbac8 | 731 | char *tmp_str; |
13f2b9d7 DJ |
732 | |
733 | devc = sdi->priv; | |
734 | config = devc->model_config; | |
735 | state = devc->model_state; | |
736 | ||
8de2dc3b DJ |
737 | sr_info("Fetching scope state"); |
738 | ||
bd70ec4b | 739 | if (analog_channel_state_get(sdi, config, state) != SR_OK) |
13f2b9d7 DJ |
740 | return SR_ERR; |
741 | ||
bd70ec4b | 742 | if (digital_channel_state_get(sdi, config, state) != SR_OK) |
13f2b9d7 DJ |
743 | return SR_ERR; |
744 | ||
89280b1a UH |
745 | if (sr_scpi_get_float(sdi->conn, |
746 | (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE], | |
8de2dc3b DJ |
747 | &tmp_float) != SR_OK) |
748 | return SR_ERR; | |
749 | ||
8cccbac8 SA |
750 | if (sr_scpi_get_string(sdi->conn, |
751 | (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE], | |
752 | &tmp_str) != SR_OK) | |
753 | return SR_ERR; | |
754 | ||
53012da6 | 755 | if (array_float_get(tmp_str, ARRAY_AND_SIZE(timebases), &i) != SR_OK) { |
8cccbac8 | 756 | g_free(tmp_str); |
b4e31d2a | 757 | sr_err("Could not determine array index for time base."); |
13f2b9d7 | 758 | return SR_ERR; |
b4e31d2a | 759 | } |
e5b7eef7 | 760 | g_free(tmp_str); |
13f2b9d7 | 761 | |
8cccbac8 SA |
762 | state->timebase = i; |
763 | ||
89280b1a UH |
764 | if (sr_scpi_get_float(sdi->conn, |
765 | (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS], | |
422a1c0d | 766 | &tmp_float) != SR_OK) |
13f2b9d7 | 767 | return SR_ERR; |
422a1c0d DJ |
768 | state->horiz_triggerpos = tmp_float / |
769 | (((double) (*config->timebases)[state->timebase][0] / | |
770 | (*config->timebases)[state->timebase][1]) * config->num_xdivs); | |
771 | state->horiz_triggerpos -= 0.5; | |
772 | state->horiz_triggerpos *= -1; | |
13f2b9d7 | 773 | |
89280b1a UH |
774 | if (scope_state_get_array_option(sdi->conn, |
775 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE], | |
692716f5 UH |
776 | config->trigger_sources, config->num_trigger_sources, |
777 | &state->trigger_source) != SR_OK) | |
13f2b9d7 DJ |
778 | return SR_ERR; |
779 | ||
89280b1a | 780 | if (scope_state_get_array_option(sdi->conn, |
692716f5 UH |
781 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE], |
782 | config->trigger_slopes, config->num_trigger_slopes, | |
783 | &state->trigger_slope) != SR_OK) | |
13f2b9d7 DJ |
784 | return SR_ERR; |
785 | ||
4fa4db2c GT |
786 | if (sr_scpi_get_string(sdi->conn, |
787 | (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_PATTERN], | |
788 | &state->trigger_pattern) != SR_OK) | |
789 | return SR_ERR; | |
790 | ||
14a2f74d DJ |
791 | if (hmo_update_sample_rate(sdi) != SR_OK) |
792 | return SR_ERR; | |
793 | ||
8de2dc3b DJ |
794 | sr_info("Fetching finished."); |
795 | ||
13f2b9d7 DJ |
796 | scope_state_dump(config, state); |
797 | ||
798 | return SR_OK; | |
799 | } | |
800 | ||
329733d9 | 801 | static struct scope_state *scope_state_new(const struct scope_config *config) |
13f2b9d7 DJ |
802 | { |
803 | struct scope_state *state; | |
804 | ||
a95f142e UH |
805 | state = g_malloc0(sizeof(struct scope_state)); |
806 | state->analog_channels = g_malloc0_n(config->analog_channels, | |
807 | sizeof(struct analog_channel_state)); | |
808 | state->digital_channels = g_malloc0_n( | |
809 | config->digital_channels, sizeof(gboolean)); | |
810 | state->digital_pods = g_malloc0_n(config->digital_pods, | |
e131be0a | 811 | sizeof(struct digital_pod_state)); |
13f2b9d7 DJ |
812 | |
813 | return state; | |
13f2b9d7 DJ |
814 | } |
815 | ||
719eff68 | 816 | SR_PRIV void hmo_scope_state_free(struct scope_state *state) |
13f2b9d7 DJ |
817 | { |
818 | g_free(state->analog_channels); | |
819 | g_free(state->digital_channels); | |
820 | g_free(state->digital_pods); | |
821 | g_free(state); | |
822 | } | |
823 | ||
824 | SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi) | |
825 | { | |
13f2b9d7 | 826 | int model_index; |
2d224dba | 827 | unsigned int i, j, group; |
ba7dd8bb | 828 | struct sr_channel *ch; |
13f2b9d7 | 829 | struct dev_context *devc; |
eac9fcd2 | 830 | int ret; |
13f2b9d7 DJ |
831 | |
832 | devc = sdi->priv; | |
833 | model_index = -1; | |
834 | ||
89280b1a | 835 | /* Find the exact model. */ |
13f2b9d7 DJ |
836 | for (i = 0; i < ARRAY_SIZE(scope_models); i++) { |
837 | for (j = 0; scope_models[i].name[j]; j++) { | |
838 | if (!strcmp(sdi->model, scope_models[i].name[j])) { | |
839 | model_index = i; | |
840 | break; | |
841 | } | |
842 | } | |
843 | if (model_index != -1) | |
844 | break; | |
845 | } | |
846 | ||
847 | if (model_index == -1) { | |
e35ebc6a | 848 | sr_dbg("Unsupported device."); |
13f2b9d7 DJ |
849 | return SR_ERR_NA; |
850 | } | |
851 | ||
562b7ae5 SA |
852 | devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) * |
853 | scope_models[model_index].analog_channels); | |
562b7ae5 SA |
854 | devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) * |
855 | scope_models[model_index].digital_pods); | |
b0e80e9a GS |
856 | if (!devc->analog_groups || !devc->digital_groups) { |
857 | g_free(devc->analog_groups); | |
858 | g_free(devc->digital_groups); | |
859 | return SR_ERR_MALLOC; | |
860 | } | |
13f2b9d7 | 861 | |
89280b1a | 862 | /* Add analog channels. */ |
13f2b9d7 | 863 | for (i = 0; i < scope_models[model_index].analog_channels; i++) { |
5e23fcab | 864 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, |
c368e6f3 | 865 | (*scope_models[model_index].analog_names)[i]); |
13f2b9d7 | 866 | |
562b7ae5 SA |
867 | devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); |
868 | ||
869 | devc->analog_groups[i]->name = g_strdup( | |
870 | (char *)(*scope_models[model_index].analog_names)[i]); | |
871 | devc->analog_groups[i]->channels = g_slist_append(NULL, ch); | |
13f2b9d7 | 872 | |
660e398f | 873 | sdi->channel_groups = g_slist_append(sdi->channel_groups, |
562b7ae5 | 874 | devc->analog_groups[i]); |
13f2b9d7 DJ |
875 | } |
876 | ||
660e398f | 877 | /* Add digital channel groups. */ |
eac9fcd2 | 878 | ret = SR_OK; |
0a1f7b09 | 879 | for (i = 0; i < scope_models[model_index].digital_pods; i++) { |
562b7ae5 | 880 | devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); |
eac9fcd2 GS |
881 | if (!devc->digital_groups[i]) { |
882 | ret = SR_ERR_MALLOC; | |
883 | break; | |
884 | } | |
262061ff | 885 | devc->digital_groups[i]->name = g_strdup_printf("POD%d", i + 1); |
660e398f | 886 | sdi->channel_groups = g_slist_append(sdi->channel_groups, |
2d224dba | 887 | devc->digital_groups[i]); |
13f2b9d7 | 888 | } |
eac9fcd2 GS |
889 | if (ret != SR_OK) |
890 | return ret; | |
13f2b9d7 | 891 | |
89280b1a | 892 | /* Add digital channels. */ |
13f2b9d7 | 893 | for (i = 0; i < scope_models[model_index].digital_channels; i++) { |
5e23fcab | 894 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, |
c368e6f3 | 895 | (*scope_models[model_index].digital_names)[i]); |
13f2b9d7 | 896 | |
2d224dba GS |
897 | group = i / 8; |
898 | devc->digital_groups[group]->channels = g_slist_append( | |
899 | devc->digital_groups[group]->channels, ch); | |
13f2b9d7 DJ |
900 | } |
901 | ||
902 | devc->model_config = &scope_models[model_index]; | |
d779dcac | 903 | devc->samples_limit = 0; |
13f2b9d7 DJ |
904 | devc->frame_limit = 0; |
905 | ||
906 | if (!(devc->model_state = scope_state_new(devc->model_config))) | |
907 | return SR_ERR_MALLOC; | |
908 | ||
909 | return SR_OK; | |
910 | } | |
911 | ||
e06875b2 GS |
912 | /* Queue data of one channel group, for later submission. */ |
913 | SR_PRIV void hmo_queue_logic_data(struct dev_context *devc, | |
914 | size_t group, GByteArray *pod_data) | |
915 | { | |
916 | size_t size; | |
917 | GByteArray *store; | |
918 | uint8_t *logic_data; | |
919 | size_t idx, logic_step; | |
920 | ||
921 | /* | |
922 | * Upon first invocation, allocate the array which can hold the | |
923 | * combined logic data for all channels. Assume that each channel | |
924 | * will yield an identical number of samples per receive call. | |
925 | * | |
926 | * As a poor man's safety measure: (Silently) skip processing | |
927 | * for unexpected sample counts, and ignore samples for | |
928 | * unexpected channel groups. Don't bother with complicated | |
929 | * resize logic, considering that many models only support one | |
930 | * pod, and the most capable supported models have two pods of | |
931 | * identical size. We haven't yet seen any "odd" configuration. | |
932 | */ | |
933 | if (!devc->logic_data) { | |
934 | size = pod_data->len * devc->pod_count; | |
935 | store = g_byte_array_sized_new(size); | |
936 | memset(store->data, 0, size); | |
937 | store = g_byte_array_set_size(store, size); | |
938 | devc->logic_data = store; | |
939 | } else { | |
940 | store = devc->logic_data; | |
941 | size = store->len / devc->pod_count; | |
e06875b2 GS |
942 | if (group >= devc->pod_count) |
943 | return; | |
944 | } | |
945 | ||
946 | /* | |
947 | * Fold the data of the most recently received channel group into | |
948 | * the storage, where data resides for all channels combined. | |
949 | */ | |
950 | logic_data = store->data; | |
951 | logic_data += group; | |
952 | logic_step = devc->pod_count; | |
953 | for (idx = 0; idx < pod_data->len; idx++) { | |
954 | *logic_data = pod_data->data[idx]; | |
955 | logic_data += logic_step; | |
956 | } | |
d779dcac GT |
957 | |
958 | /* Truncate acquisition if a smaller number of samples has been requested. */ | |
959 | if (devc->samples_limit > 0 && devc->logic_data->len > devc->samples_limit * devc->pod_count) | |
960 | devc->logic_data->len = devc->samples_limit * devc->pod_count; | |
e06875b2 GS |
961 | } |
962 | ||
963 | /* Submit data for all channels, after the individual groups got collected. */ | |
964 | SR_PRIV void hmo_send_logic_packet(struct sr_dev_inst *sdi, | |
965 | struct dev_context *devc) | |
966 | { | |
967 | struct sr_datafeed_packet packet; | |
968 | struct sr_datafeed_logic logic; | |
969 | ||
970 | if (!devc->logic_data) | |
971 | return; | |
972 | ||
973 | logic.data = devc->logic_data->data; | |
974 | logic.length = devc->logic_data->len; | |
975 | logic.unitsize = devc->pod_count; | |
976 | ||
977 | packet.type = SR_DF_LOGIC; | |
978 | packet.payload = &logic; | |
979 | ||
980 | sr_session_send(sdi, &packet); | |
981 | } | |
982 | ||
983 | /* Undo previous resource allocation. */ | |
984 | SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc) | |
985 | { | |
986 | ||
987 | if (devc->logic_data) { | |
988 | g_byte_array_free(devc->logic_data, TRUE); | |
989 | devc->logic_data = NULL; | |
990 | } | |
991 | /* | |
992 | * Keep 'pod_count'! It's required when more frames will be | |
993 | * received, and does not harm when kept after acquisition. | |
994 | */ | |
995 | } | |
996 | ||
719eff68 | 997 | SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data) |
06a3e78a | 998 | { |
ba7dd8bb | 999 | struct sr_channel *ch; |
13f2b9d7 | 1000 | struct sr_dev_inst *sdi; |
06a3e78a | 1001 | struct dev_context *devc; |
401b83a1 | 1002 | struct scope_state *state; |
13f2b9d7 | 1003 | struct sr_datafeed_packet packet; |
401b83a1 SB |
1004 | GByteArray *data; |
1005 | struct sr_datafeed_analog analog; | |
1006 | struct sr_analog_encoding encoding; | |
1007 | struct sr_analog_meaning meaning; | |
1008 | struct sr_analog_spec spec; | |
89280b1a | 1009 | struct sr_datafeed_logic logic; |
e06875b2 | 1010 | size_t group; |
06a3e78a DJ |
1011 | |
1012 | (void)fd; | |
f0729866 | 1013 | (void)revents; |
06a3e78a | 1014 | |
f62f595b MK |
1015 | data = NULL; |
1016 | ||
06a3e78a DJ |
1017 | if (!(sdi = cb_data)) |
1018 | return TRUE; | |
1019 | ||
1020 | if (!(devc = sdi->priv)) | |
1021 | return TRUE; | |
1022 | ||
f4f273ce SB |
1023 | /* Although this is correct in general, the USBTMC libusb implementation |
1024 | * currently does not generate an event prior to the first read. Often | |
1025 | * it is ok to start reading just after the 50ms timeout. See bug #785. | |
dc89faea UH |
1026 | if (revents != G_IO_IN) |
1027 | return TRUE; | |
f4f273ce | 1028 | */ |
13f2b9d7 | 1029 | |
dc89faea | 1030 | ch = devc->current_channel->data; |
401b83a1 | 1031 | state = devc->model_state; |
13f2b9d7 | 1032 | |
b23eb1d4 GS |
1033 | /* |
1034 | * Send "frame begin" packet upon reception of data for the | |
1035 | * first enabled channel. | |
1036 | */ | |
1037 | if (devc->current_channel == devc->enabled_channels) { | |
1038 | packet.type = SR_DF_FRAME_BEGIN; | |
1039 | sr_session_send(sdi, &packet); | |
1040 | } | |
1041 | ||
1042 | /* | |
1043 | * Pass on the received data of the channel(s). | |
1044 | */ | |
dc89faea UH |
1045 | switch (ch->type) { |
1046 | case SR_CHANNEL_ANALOG: | |
401b83a1 | 1047 | if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) { |
dc89faea | 1048 | if (data) |
401b83a1 | 1049 | g_byte_array_free(data, TRUE); |
dc89faea | 1050 | return TRUE; |
13f2b9d7 DJ |
1051 | } |
1052 | ||
401b83a1 SB |
1053 | packet.type = SR_DF_ANALOG; |
1054 | ||
1055 | analog.data = data->data; | |
1056 | analog.num_samples = data->len / sizeof(float); | |
d779dcac GT |
1057 | /* Truncate acquisition if a smaller number of samples has been requested. */ |
1058 | if (devc->samples_limit > 0 && analog.num_samples > devc->samples_limit) | |
1059 | analog.num_samples = devc->samples_limit; | |
401b83a1 SB |
1060 | analog.encoding = &encoding; |
1061 | analog.meaning = &meaning; | |
1062 | analog.spec = &spec; | |
1063 | ||
1064 | encoding.unitsize = sizeof(float); | |
1065 | encoding.is_signed = TRUE; | |
1066 | encoding.is_float = TRUE; | |
65a6794e GS |
1067 | #ifdef WORDS_BIGENDIAN |
1068 | encoding.is_bigendian = TRUE; | |
1069 | #else | |
d1ad8b10 | 1070 | encoding.is_bigendian = FALSE; |
65a6794e | 1071 | #endif |
7dcaddd3 UH |
1072 | /* TODO: Use proper 'digits' value for this device (and its modes). */ |
1073 | encoding.digits = 2; | |
401b83a1 SB |
1074 | encoding.is_digits_decimal = FALSE; |
1075 | encoding.scale.p = 1; | |
1076 | encoding.scale.q = 1; | |
1077 | encoding.offset.p = 0; | |
1078 | encoding.offset.q = 1; | |
1079 | if (state->analog_channels[ch->index].probe_unit == 'V') { | |
1080 | meaning.mq = SR_MQ_VOLTAGE; | |
1081 | meaning.unit = SR_UNIT_VOLT; | |
1082 | } else { | |
1083 | meaning.mq = SR_MQ_CURRENT; | |
1084 | meaning.unit = SR_UNIT_AMPERE; | |
1085 | } | |
1086 | meaning.mqflags = 0; | |
1087 | meaning.channels = g_slist_append(NULL, ch); | |
7dcaddd3 UH |
1088 | /* TODO: Use proper 'digits' value for this device (and its modes). */ |
1089 | spec.spec_digits = 2; | |
dc89faea | 1090 | packet.payload = &analog; |
695dc859 | 1091 | sr_session_send(sdi, &packet); |
d779dcac | 1092 | devc->num_samples = data->len / sizeof(float); |
401b83a1 SB |
1093 | g_slist_free(meaning.channels); |
1094 | g_byte_array_free(data, TRUE); | |
dc89faea UH |
1095 | data = NULL; |
1096 | break; | |
1097 | case SR_CHANNEL_LOGIC: | |
401b83a1 | 1098 | if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) { |
14cb6aa4 GT |
1099 | if (data) |
1100 | g_byte_array_free(data, TRUE); | |
dc89faea | 1101 | return TRUE; |
13f2b9d7 | 1102 | } |
dc89faea | 1103 | |
e06875b2 GS |
1104 | /* |
1105 | * If only data from the first pod is involved in the | |
1106 | * acquisition, then the raw input bytes can get passed | |
1107 | * forward for performance reasons. When the second pod | |
1108 | * is involved (either alone, or in combination with the | |
1109 | * first pod), then the received bytes need to be put | |
1110 | * into memory in such a layout that all channel groups | |
1111 | * get combined, and a unitsize larger than a single byte | |
1112 | * applies. The "queue" logic transparently copes with | |
1113 | * any such configuration. This works around the lack | |
1114 | * of support for "meaning" to logic data, which is used | |
1115 | * above for analog data. | |
1116 | */ | |
1117 | if (devc->pod_count == 1) { | |
1118 | packet.type = SR_DF_LOGIC; | |
1119 | logic.data = data->data; | |
1120 | logic.length = data->len; | |
d779dcac GT |
1121 | /* Truncate acquisition if a smaller number of samples has been requested. */ |
1122 | if (devc->samples_limit > 0 && logic.length > devc->samples_limit) | |
1123 | logic.length = devc->samples_limit; | |
e06875b2 GS |
1124 | logic.unitsize = 1; |
1125 | packet.payload = &logic; | |
1126 | sr_session_send(sdi, &packet); | |
1127 | } else { | |
1128 | group = ch->index / 8; | |
1129 | hmo_queue_logic_data(devc, group, data); | |
1130 | } | |
dc89faea | 1131 | |
d779dcac | 1132 | devc->num_samples = data->len / devc->pod_count; |
401b83a1 | 1133 | g_byte_array_free(data, TRUE); |
dc89faea UH |
1134 | data = NULL; |
1135 | break; | |
1136 | default: | |
1137 | sr_err("Invalid channel type."); | |
1138 | break; | |
1139 | } | |
1140 | ||
b23eb1d4 GS |
1141 | /* |
1142 | * Advance to the next enabled channel. When data for all enabled | |
e06875b2 GS |
1143 | * channels was received, then flush potentially queued logic data, |
1144 | * and send the "frame end" packet. | |
b23eb1d4 | 1145 | */ |
dc89faea UH |
1146 | if (devc->current_channel->next) { |
1147 | devc->current_channel = devc->current_channel->next; | |
1148 | hmo_request_data(sdi); | |
b23eb1d4 GS |
1149 | return TRUE; |
1150 | } | |
e06875b2 GS |
1151 | hmo_send_logic_packet(sdi, devc); |
1152 | ||
1153 | /* | |
1154 | * Release the logic data storage after each frame. This copes | |
1155 | * with sample counts that differ in length per frame. -- Is | |
1156 | * this a real constraint when acquiring multiple frames with | |
1157 | * identical device settings? | |
1158 | */ | |
1159 | hmo_cleanup_logic_data(devc); | |
1160 | ||
b23eb1d4 GS |
1161 | packet.type = SR_DF_FRAME_END; |
1162 | sr_session_send(sdi, &packet); | |
1163 | ||
1164 | /* | |
1165 | * End of frame was reached. Stop acquisition after the specified | |
d779dcac GT |
1166 | * number of frames or after the specified number of samples, or |
1167 | * continue reception by starting over at the first enabled channel. | |
b23eb1d4 | 1168 | */ |
d779dcac | 1169 | if (++devc->num_frames >= devc->frame_limit || devc->num_samples >= devc->samples_limit) { |
d2f7c417 | 1170 | sr_dev_acquisition_stop(sdi); |
e06875b2 | 1171 | hmo_cleanup_logic_data(devc); |
dc89faea UH |
1172 | } else { |
1173 | devc->current_channel = devc->enabled_channels; | |
1174 | hmo_request_data(sdi); | |
06a3e78a DJ |
1175 | } |
1176 | ||
1177 | return TRUE; | |
1178 | } |